| Acronym | Meaning |
| LLOD | Lower Limit Of Detection |
| MIH | Method Of Intermediate Hamiltonians |
| LCOAO | Linear Combination Of Orthogonal Atomic Orbitals |
| ENFET | Enzyme Field-effect Transistor |
| CREAMS | Chemicals |
| GRIMM | Global/Regional Interhemispheric Mercury Model |
| KERD | Kinetic Energy Release Distribution |
| ATLEED | Automated Tensor Low-energy Electron Diffraction |
| HPI | Hydrocarbon Processing Industry |
| NAMAS | National Measurement Accreditation Service (UK) |